Ecological implications of bulliform cells on halophytes, in salt and water stress natural conditions

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Article Title:	Ecological implications of bulliform cells on halophytes, in salt and water stress natural conditions
Authors:	Marius-Nicuşor Grigore*1, Constantin Toma2
Affiliation:	1,2Alexandru Ioan Cuza University, Faculty of Biology, Iasi, Romania
Abstract:	Seven Romanian halophyte species were histo-anatomical investigated: Bolboschoenus maritimus (L.) Palla ssp. compactus (Hoffm.) Dobrow, Carex distans L., Carex vulpina L. (Cyperaceae family), Juncus gerardi Loisel. (Juncaceae), Agrostis stolonifera L., Alopecurus arundinaceus Poir. and Puccinellia distans (L.) Parl. ssp. limosa (Schur) Jáv (Poaceae). These species have been classified by the authors of the present study as “amphibious” halophytes, related to the field observations and anatomical considerations. All the analyzed taxa present bulliform cells at the foliar epidermis level. Despite the fact that there are different interpretations regarding the bulliform cells role and functional significance, we correlate these structures with the ecological factors, salinity and, respectively, drought conditions.
Keywords:	halophytes, bulliform cells, drought, salinity
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*Correspondence:	Marius-Nicuşor Grigore, Alexandru Ioan Cuza University, Faculty of Biology, Plant Biology Department, Bd. Carol I, 20 A, 700505, Iasi, Romania, tel. +40(0)232201072, +40766307718, e-mail: mariusgrigorepsyche@yahoo.com